21202303011 has 8 divisors (see below), whose sum is σ = 28656994320. Its totient is φ = 13941240192.

The previous prime is 21202302997. The next prime is 21202303033. The reversal of 21202303011 is 11030320212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21202303011 - 2⁷ = 21202302883 is a prime.

It is a super-2 number, since 2×21202303011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21202303051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48406866 + ... + 48407303.

It is an arithmetic number, because the mean of its divisors is an integer number (3582124290).

Almost surely, 2^21202303011 is an apocalyptic number.

21202303011 is a deficient number, since it is larger than the sum of its proper divisors (7454691309).

21202303011 is an equidigital number, since it uses as much as digits as its factorization.

21202303011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96814245.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21202303011 its reverse (11030320212), we get a palindrome (32232623223).

The spelling of 21202303011 in words is "twenty-one billion, two hundred two million, three hundred three thousand, eleven".